15% OFF All Systems | Limited Time Only

1 6

6 Stage Reverse Osmosis Drinking Water System Replacement Filters

6 Stage Reverse Osmosis Drinking Water System Replacement Filters

Model Number: PRO-RO-R

Keep your Kind 6-Stage Reverse Osmosis Drinking Water System performing at peak efficiency with this complete set of replacement filters for stages 1–6. The PRO-RO-14R cartridge refreshes the system’s essential first four stages—sediment, carbon, and the reverse osmosis membrane—providing powerful filtration that removes impurities. Complementing this, the PRO-RO-56R cartridge replaces stages 5 and 6 with final polishing and remineralization media, restoring beneficial minerals and ensuring every glass of water delivers exceptional taste. Together, these filters help your Kind RO system maintain the highest level of purification and water quality.

PRO-RO-R Includes a year supply of filters in one bundle:

  • One PRO-RO-14R (Stage 1-4)
  • Two PRO-RO-56R (Stage 5-6)
120 Day Satisfaction Guaranteed
Same Day Shipping
Lifetime Warranty
View full details

Don’t Let Old Filters Slow Your System Down

How often should you replace filters?

We recommend replacing the PRO-RO-14R every 12 months and the PRO-RO-56R every 6 months or as necessary.

PRO-RO-R Includes :

  • One PRO-RO-14R (RO Membrane)
  • Two PRO-RO-56R (Remineralization Filter)

A year supply of filters in one bundle.

Stages 1-4

RO Membrane

Pre-filters remove sediment and chlorine, the 50 GPD membrane reduces salts and metals, and a final carbon stage polishes the water for clean, great-tasting clarity.

Stages 5-6

Remineralization Filters

Inline charcoal and calcite remineralization filters enhance taste and restore beneficial minerals like calcium and magnesium.

6-Stage Reverse Osmosis Drinking Water System Replacement Filter – Stages 1-4
Stage 1-4

PRO-RO-14R

Uses sediment and carbon pre-filters to remove sand, rust, chlorine, and chemicals before water reaches the high-efficiency 50 GPD membrane. The membrane reduces salts, heavy metals, and bacteria, while the final granular activated carbon stage polishes the water for clean, great-tasting clarity.

Removes dirt, sand, and suspended solids.

Targets chlorine, chloramine, VOCs, pesticides, herbicides and other contaminants.
See full 155+ contaminant list

High-efficiency 50 GPD membrane that reduces salts, heavy metals, and bacteria.

Granular activated carbon (GAC) to polish the water.

Why it matters:

Removes the sediments, chemicals, and impurities that affect taste, clarity, and freshness, giving you noticeably cleaner, better-tasting drinking water.

6-Stage Reverse Osmosis Drinking Water System Replacement Filter – Stages 5-6
Stage 5-6

PRO-RO-56R

The inline 2-stage cartridge combines coconut-shell carbon and calcite remineralization media to enhance taste, restore beneficial minerals like calcium and magnesium, and balance your water’s natural pH for a smoother, fresher flavor.

Inline coconut-shell carbon filter enhances water taste and freshness.

Inline calcite remineralization filter enhances your water’s natural balance by adding back healthy minerals like calcium and magnesium, creating smoother taste.

The coconut shell carbon and calcite remineralization filters are integrated into the inline 2-stage cartridge.

Replace every 6 months for best performance.

Made in the USA.

Why it matters:

Remineralization restores essential minerals removed during reverse osmosis, improving taste and helping maintain a natural, balanced pH.

Replacement Instructions

Maintenance is quick and easy. Simply remove the cover and replace the main cartridge – no complicated plumbing connections, no tools required. The in-line postfilter utilizes easy quick-connect fittings.

Maintenance Instructions

Quick and easy filter replacement instructions

Download Instructions